Car comparison

AUDI TT Roadster (8J) 3.2i V6 24VvsBMW Z4 (E85) 3.0i

Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.

New comparison

AUDI TT Roadster (8J)

3.2i V6 24V

250 hp3189 ccGasolineAWDAutomaticNaturally aspiratedRoadster2006-2010
VS

BMW Z4 (E85)

3.0i

231 hp2979 ccGasolineRWDManualNaturally aspiratedRoadster2002-2006

Comparison overview

Use the estimates as comparison hints and verify exact figures before making decisions.

Best choices

BMW Z4 (E85) 3.0i

  • Lightest
    1,365 kg
    3,009 lb
  • Best power-to-weight
    169 hp/t
    126 kW/t
    5.9 kg/hp
  • Lowest combined fuel consumption
    7.5 L/100 km
    31.4 mpg US
    37.7 mpg UK
  • Lowest highway consumption
    6.6 L/100 km
    35.6 mpg US
    42.8 mpg UK
  • Best estimated range
    733 km
    456 mi
  • Largest trunk
    300 L
  • Best economy score
    87/100
  • Best practicality score
    32/100

AUDI TT Roadster (8J) 3.2i V6 24V

  • Quickest 0-100 km/h
    5.9 s
  • Fastest top speed
    250 km/h
    155 mph
  • Most powerful
    250 hp
    186 kW
  • Highest torque
    320 Nm
    236 lb-ft
  • Lowest city consumption
    13.0 L/100 km
    18.1 mpg US
    21.7 mpg UK
  • Best overall score
    50/100
  • Best performance score
    60/100

Specification comparison

Specification comparison
ModelAUDITT Roadster (8J)3.2i V6 24VBMWZ4 (E85)3.0i
Power
250hp186kW
231hp172kW
Torque
320Nm236lb-ft
300Nm221lb-ft
Curb weight
1,490kg3,285lb
1,365kg3,009lb
Gross weight
1,810kg3,990lb
1,590kg3,505lb
Top speed
250 km/h
155 mph
244 km/h
152 mph
To 99% top speed
75.6s99% target: 248 km/h / 154 mph
Calculated
69.9s99% target: 242 km/h / 150 mph
Calculated
0-100 km/h
5.9s
5.9s
0-200 km/h
22.3s
Calculated
22.6s
Calculated
0-60 mph
5.6s
Calculated
5.6s
Calculated
Fuel consumption
9.5L/100 km24.8mpg US29.7mpg UK
7.5L/100 km31.4mpg US37.7mpg UK
Fuel consumption city
13L/100 km18.1mpg US21.7mpg UK
13.5L/100 km17.4mpg US20.9mpg UK
Fuel consumption highway
7.4L/100 km31.8mpg US38.2mpg UK
6.6L/100 km35.6mpg US42.8mpg UK
Quarter mile
14.0s
Calculated
14.0s
Calculated
Power-to-weight
168hp/t125kW/t76hp/1000 lb
Calculated
169hp/t126kW/t77hp/1000 lb
Calculated
Torque-to-weight
215Nm/t144lb-ft/ton
Calculated
220Nm/t147lb-ft/ton
Calculated
Estimated range
632km392mi
Calculated
733km456mi
Calculated
Displacement
3,189cc195cu in
2,979cc182cu in
Length
4,178mm164in
4,091mm161in
Width
1,842mm73in
1,781mm70in
Height
1,358mm53in
1,299mm51in
Wheelbase
2,468mm97in
2,495mm98in
Front track
1,572mm62in
1,473mm58in
Rear track
1,558mm61in
1,523mm60in
Trunk volume
250L
300L
Doors
2
2
Seats
2
2
Fuel tank
60L
55L
CO2 emissions
227g/km
-

Performance charts

Use the estimates as comparison hints and verify exact figures before making decisions.

Dyno simulation

Estimated stock-style power and torque curves by engine speed.

AUDI TT Roadster (8J) 3.2i V6 24VBMW Z4 (E85) 3.0iPowerTorque
  • AUDI TT Roadster (8J) 3.2i V6 24V: Power / Torque
  • BMW Z4 (E85) 3.0i: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDITT Roadster (8J)3.2i V6 24V6,300 rpm2,500-3,000 rpm6,550 rpm
BMWZ4 (E85)3.0i5,900 rpm3,500 rpm6,150 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDITT Roadster (8J)3.2i V6 24VBMWZ4 (E85)3.0i
Acceleration checkpoints
0-60 mph
0-97 km/h
5.6 s
5.6 s
0-100 km/h
0-62 mph
5.9 s
5.9 s
0-200 km/h
0-124 mph
22.3 s
22.6 s
Top speed
250 km/h
155 mph
244 km/h
152 mph
Drag race simulation
60 ft
18 m
2.3 s
2.3 s
330 ft
101 m
6.1 s
6.1 s
1/8 mile
201 m
9.2 s
9.2 s
1000 ft
305 m
11.8 s
11.8 s
1/4 mile
402 m
14.0 s
14.0 s
Trap speed
1/4 mile
402 m
165 km/h
102 mph
165 km/h
102 mph

Power comparison

Bar comparison chart for Power. Higher is better · hp / kW

Chart data table
VehicleValue
AUDITT Roadster (8J)3.2i V6 24V
250 hp
186 kW
BMWZ4 (E85)3.0i
231 hp
172 kW

AUDI TT Roadster (8J) 3.2i V6 24V has 19 hp more than BMW Z4 (E85) 3.0i.

The biggest power difference is between BMW Z4 (E85) 3.0i and AUDI TT Roadster (8J) 3.2i V6 24V: 19 hp (14 kW).

Torque comparison

Bar comparison chart for Torque. Higher is better · Nm / lb-ft

Chart data table
VehicleValue
AUDITT Roadster (8J)3.2i V6 24V
320 Nm
236 lb-ft
BMWZ4 (E85)3.0i
300 Nm
221 lb-ft

Curb weight comparison

Bar comparison chart for Curb weight. Lower is better · kg / lb

Chart data table
VehicleValue
AUDITT Roadster (8J)3.2i V6 24V
1,490 kg
3,285 lb
BMWZ4 (E85)3.0i
1,365 kg
3,009 lb

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph

Chart data table
VehicleValue
AUDITT Roadster (8J)3.2i V6 24V
250 km/h
155 mph
BMWZ4 (E85)3.0i
244 km/h
152 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
VehicleValue
AUDITT Roadster (8J)3.2i V6 24V5.9 s
BMWZ4 (E85)3.0i5.9 s

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
VehicleValue
AUDITT Roadster (8J)3.2i V6 24V
9.5 L/100 km
24.8 mpg US
29.7 mpg UK
BMWZ4 (E85)3.0i
7.5 L/100 km
31.4 mpg US
37.7 mpg UK

The biggest fuel consumption difference is between BMW Z4 (E85) 3.0i and AUDI TT Roadster (8J) 3.2i V6 24V: 2.0 L/100 km.

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
VehicleValue
AUDITT Roadster (8J)3.2i V6 24V
168 hp/t
125 kW/t
6.0 kg/hp
BMWZ4 (E85)3.0i
169 hp/t
126 kW/t
5.9 kg/hp

Estimated range comparison

Bar comparison chart for Estimated range. Higher is better · km / mi

Chart data table
VehicleValue
AUDITT Roadster (8J)3.2i V6 24V
632 km
392 mi
BMWZ4 (E85)3.0i
733 km
456 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDITT Roadster (8J)3.2i V6 24V
250 hp
186 kW
5.9 s
250 km/h
155 mph
BMWZ4 (E85)3.0i
231 hp
172 kW
5.9 s
244 km/h
152 mph

Most attractive quadrant

Scatter chart with performance score on the X axis and practicality score on the Y axis.

Chart data table
VehiclePerformance scorePracticality score
AUDITT Roadster (8J)3.2i V6 24V
Power
250 hp
186 kW
0-100 km/h5.9 s
Top speed
250 km/h
155 mph
Doors/seats
2 doors
2 seats
Trunk
250 L
8.8 cu ft
Length
4,178 mm
164.5 in
Height
1,358 mm
53.5 in
BMWZ4 (E85)3.0i
Power
231 hp
172 kW
0-100 km/h5.9 s
Top speed
244 km/h
152 mph
Doors/seats
2 doors
2 seats
Trunk
300 L
10.6 cu ft
Length
4,091 mm
161.1 in
Height
1,299 mm
51.1 in

Performance vs fuel economy

Cars closer to the top-right corner combine stronger performance with better fuel economy scores.

Performance vs fuel economy data table
VehiclePerformance scoreFuel economy score
AUDITT Roadster (8J)3.2i V6 24V
Power
250 hp
186 kW
0-100 km/h5.9 s
Top speed
250 km/h
155 mph
9.5 L/100 km
24.8 mpg US
29.7 mpg UK
BMWZ4 (E85)3.0i
Power
231 hp
172 kW
0-100 km/h5.9 s
Top speed
244 km/h
152 mph
7.5 L/100 km
31.4 mpg US
37.7 mpg UK

BMW Z4 (E85) 3.0i is closest to the top-right balance target for performance and fuel economy.

Acceleration vs fuel consumption

Cars closer to the lower-left corner offer a better mix of quick acceleration and low fuel consumption.

Acceleration vs fuel consumption data table
VehicleFuel consumption, L/100 km0-100 km/h, s
AUDITT Roadster (8J)3.2i V6 24V
9.5 L/100 km
24.8 mpg US
29.7 mpg UK
5.9 s
BMWZ4 (E85)3.0i
7.5 L/100 km
31.4 mpg US
37.7 mpg UK
5.9 s

Power-to-weight vs fuel consumption

The shaded area favors higher power-to-weight with lower combined fuel consumption.

Power-to-weight vs fuel consumption data table
VehiclePower-to-weight, hp/tFuel consumption, L/100 km
AUDITT Roadster (8J)3.2i V6 24V
168 hp/t
125 kW/t
6.0 kg/hp
9.5 L/100 km
24.8 mpg US
29.7 mpg UK
BMWZ4 (E85)3.0i
169 hp/t
126 kW/t
5.9 kg/hp
7.5 L/100 km
31.4 mpg US
37.7 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDITT Roadster (8J)3.2i V6 24VBMWZ4 (E85)3.0i
Power
250 hp
186 kW
231 hp
172 kW
Torque
320 Nm
236 lb-ft
300 Nm
221 lb-ft
Acceleration
5.9 s
5.9 s
Top speed
250 km/h
155 mph
244 km/h
152 mph
Lightness
1,490 kg
3,285 lb
1,365 kg
3,009 lb
Fuel consumption
9.5 L/100 km
24.8 mpg US
29.7 mpg UK
7.5 L/100 km
31.4 mpg US
37.7 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk
250 L
8.8 cu ft
Length
4,178 mm
164.5 in
Height
1,358 mm
53.5 in
Doors/seats
2 doors
2 seats
Trunk
300 L
10.6 cu ft
Length
4,091 mm
161.1 in
Height
1,299 mm
51.1 in
Range score
632 km
392 mi
733 km
456 mi
CO2 score
227 g/km
-
Trunk score
250 L
8.8 cu ft
300 L
10.6 cu ft
Power-to-weight score
168 hp/t
125 kW/t
6.0 kg/hp
169 hp/t
126 kW/t
5.9 kg/hp
Overall
Fixed score
Fixed score

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

Enter the fuel price in your local currency, for example €/L, $/gal, £/L or any other local currency.

LC = Local Currency

Fuel cost and annual usage
VehicleAUDI TT Roadster (8J) 3.2i V6 24VBMW Z4 (E85) 3.0i
Consumption9.5 L/100 km24.8 mpg US29.7 mpg UK7.5 L/100 km31.4 mpg US37.7 mpg UK
Cost / 100 km16.63 LC100 km13.13 LC100 km
Cost / 100 mi26.76 LC100 mi21.12 LC100 mi
Annual fuel used1,425 L376 US gal313 UK gal1,125 L297 US gal247 UK gal
Annual fuel cost2,494 LC/year1,969 LC/year

Head-to-head comparisons

AUDI TT Roadster (8J) 3.2i V6 24V

  • Has 19 hp more
  • Has 20 Nm more
  • Has 6 km/h (4 mph) higher top speed

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque

Cons

  • Highest combined fuel consumption
  • Heaviest
  • Smallest trunk

BMW Z4 (E85) 3.0i

  • Is 125 kg lighter
  • Uses 2.0 L/100 km less fuel
  • Has 1 hp/t better power-to-weight
  • Has 102 km (63 mi) more estimated range
  • Has 50 L more trunk volume

Pros

  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Best estimated range
  • Largest trunk

Cons

  • Lowest power
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
AUDI TT Roadster (8J) 3.2i V6 24V
BMW Z4 (E85) 3.0i
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AUDI TT Roadster (8J) 3.2i V6 24V vs BMW Z4 (E85) 3.0i - car comparison - FastVsFaster